What about _____ English-Chinese dictionary on the bookshelf?—In my opinion, it’s _____ useful tool book for my English learning.

There are about more than five ___________ “left-behind” students (留守学生) in China.

I was at the cinema at 9 o’clock last night. What about you?—at home.

The girl ______ an English song in the park is Tony’s sister.[ ]

Many students think hard to learn English well.